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Description
FiiO K19 Overview
Aimed at audiophiles and music enthusiasts, the high-fidelity FiiO K19, styled in silver, is a compact desktop USB DAC and headphone amplifier designed to faithfully reproduce your music when listening to audio from your computer, smartphone/tablet, or other digital music player. The K19 employs two high-resolution ES9039SPRO DACs to deliver rich audio details and a superior performance up to a 768 kHz sampling rate and native DSD512.
Equipped with optical and coaxial digital inputs and outputs, a USB-C port, an RS232 port, dual stereo RCA analog line outputs, three headphone jacks (XLR 4-pin balanced, 4.4mm balanced, and 1/4" unbalanced), and Bluetooth support, the K19 acts as a bridge between your computer, phone, speakers, and headphones, allowing them to work together seamlessly. The elegant chassis can be positioned vertically or horizontally and features a 1.3" color display and an infrared remote control. You can also adjust various functions from your smartphone using the FiiO control app.
31-Band High-Precision Lossless Parametric EQ
The K19 features DEL (Dual Engine Limiter) technology, and through proprietary algorithms, it can apply various audio effects such as dynamic range compression (DRC), dynamic range enhancement (DRE), and an advanced limiter to prevent clipping. Also on the K19 is an adjustable 31-band high-precision lossless PEQ, which supports direct adjustment of PCM 44.1 to 192 kHz audio signals without resorting to sampling rate conversion (SRC). For each band, the gain can be adjusted between a range of +12 to -24 dB, and the Q value can be adjusted between a range of 0.4 to 128 dB. The PEQ curves don't have to be used only by you�PEQ presets on the K19 can be shared between users. Being able to import and export PEQ presets opens up a whole new dimension to sound adjustment.
ADI ADSP-21565 with SHARC+ Core
For the first time in an FiiO product, the K19 flagship desktop DAC and headphone amplifier utilizes an ADI ADSP-21565 DSP chip with the SHARC+ core backed by a custom ultralow phase noise femtosecond crystal oscillator. This DSP chip featuring a high clock frequency of 800 MHz and 64-bit double-precision floating-point calculations is what makes the 31-band high-precision lossless PEQ possible in the K19. The ADI DSP chip not only ensures that audio signals after PEQ adjustment are of high quality with minimal distortion, it also helps to enable powerful system protection functions that safeguard the K19, other devices, and headphones connected to it.
Two Flagship ESS 8-Channel ES9039SPRO DACs
Inside the K19 are two of the new ESS 8-channel ES9039SPRO DAC chips, featuring the fourth generation 32-bit HyperStream architecture capable of an ultrahigh dynamic range with ultralow noise. These DAC chips allow the K19 to output clearer and richer audio with plenty of detail.
8-Channel THX AAA 788+ Headphone Amp
The K19 features a new headphone amplifier design consisting of an 8-channel THX AAA 788+ headphone amp architecture working together in parallel and backed by a high-voltage power supply. The THX amp chips are connected in parallel via 2x2 groups to make up a totally balanced,4-channel amplification system. The results are enhanced transients and high-power (8000mW + 8000mW with a 32-ohm load), allowing the K19 to drive all kinds of headphones with ease.
Dual ACCUSILICON Oscillators
The K19 employs two industry-leading ACCUSILICON AS318-B ultralow phase noise femtosecond crystal oscillators (45.1584 MHz and 49.1520 MHz), which are 100% prescreened before being selected for use in the K19. These femtosecond crystal oscillators effectively reduce the impact of phase noise on audio signals and allow for accurate audio restoration and different sampling rates, resulting in purer and more stable sound no matter the source sampling rate. Clocks are properly managed, ensuring digital signals being handled are low-jitter, making for purer and clearer audio.
Built to Last
The K19 comes in a brand-new style�made of a die-cast unibody aluminum alloy body for a totally seamless design. The aluminum alloy body is carefully polished by a multi-axis CNC machine. This aluminum alloy body not only features reduced thickness, but is also shock resistant. And when paired with the included stand, the K19 is very stable.
Supports HDMI/ARC
HDMI input and ARC capabilities are present in an FiiO desktop DAC and amp for the first time. The K19 supports decoding from HDMI input, HDMI output, and HDMI ARC audio return channel, opening the doors to a new way of experiencing an immersive audiovisual experience. HDMI decoding/output supports up to a 192 kHz / 24-bit sampling rate. HDMI ARC supports 44.1 and 48 kHz sampling rates.
Separated and Shielded Circuit Boards
The digital and analog audio circuits of the K19 lie on separate boards for full isolation and greatly reduced interference. There are metal shields for the DSP board, DAC board, and the THX headphone amplifier board, as a result of the digital board and module adopting a compartmentalized aluminum alloy isolation design. These measures all help to minimize crosstalk to ensure signal purity. In addition, the honeycomb-mesh aluminum-allow body also helps to further reduce external interference, allowing you to enjoy pure, clear music.
Six Operating Modes
- USB Decoding: The XMOS 16-core XU316 enables decoding up to 768 kHz / 32-bit, DSD512, MQA full decoding
- Optical input: Supports optical input for use as an optical decoder
- HDMI input: Support audio input from devices such as video game consoles, Blu-ray players, and set-top boxes
- Bluetooth input: The Qulacomm QCC5125 enables support for the aptX HD, apt X Adaptive, and LDAC codecs
- Coaxial input: Capable of receiving coaxial input for use as a coaxial decoder
- HDMI ARC: Supports audio return from TVs and other devices
Items Included
- FiiO K19 Desktop DAC and Headphone Amplifier (Silver)
- USB-A to USB-C Cable
- Power Cable
- 1/4" Headphone Adapter
- 3.5mm Audio Cable
- Dual Type-C Data Cable
- USB 2.0 Data Cable
- Infrared Remote Control
- Screwdriver
- Screws
- Feet Stands
- Limited 1-Year Manufacturer Warranty
Additional Resources
No additional resources available
FiiO K19 Specs
Key Specs
| Number of Headphone Channels |
Single Channel
|
| Recommended Headphone Impedance |
Not Specified by Manufacturer
|
| Headphone Output Power |
1/4" Unbalanced:
? 2400 mW per Side into 16 Ohms (1% THD) ? 1250 mW per Side into 32 Ohms (1% THD) ? 135 mW per Side into 300 Ohms (1% THD) 4.4 mm Balanced: ? 4000 mW per Side into 16 Ohms (1% THD) ? 5000 mW per Side into 32 Ohms (1% THD) ? 550 mW per Side into 300 Ohms (1% THD) XLR Balanced: ? 4000 mW per Side into 16 Ohms (1% THD) ? 5000 mW per Side into 32 Ohms (1% THD) ? 550 mW per Side into 300 Ohms (1% THD) |
| Analog Audio I/O |
2x Stereo RCA TS Unbalanced Stereo Line Output (1 Stereo Pair)
2x XLR 3-Pin Balanced Output |
| Digital Audio I/O |
1x TOSLINK Optical S/PDIF Input
1x TOSLINK Optical S/PDIF Output 1x RCA Coaxial S/PDIF Input 1x RCA Coaxial S/PDIF Output |
| USB I/O |
2x USB-C
|
| Wireless |
Bluetooth 5.1
*Built-In |
| Frequency Response |
Line, Headphone, Balanced Headphone Outputs:
20 Hz to 20 kHz /-0.1 20 Hz to 80 kHz /-3 |
| Power Requirements |
AC/DC Power Adapter (Included)
|
| Number of Headphone Channels |
Single Channel
|
| Recommended Headphone Impedance |
Not Specified by Manufacturer
|
| Headphone Output Power |
1/4" Unbalanced:
? 2400 mW per Side into 16 Ohms (1% THD) ? 1250 mW per Side into 32 Ohms (1% THD) ? 135 mW per Side into 300 Ohms (1% THD) 4.4 mm Balanced: ? 4000 mW per Side into 16 Ohms (1% THD) ? 5000 mW per Side into 32 Ohms (1% THD) ? 550 mW per Side into 300 Ohms (1% THD) XLR Balanced: ? 4000 mW per Side into 16 Ohms (1% THD) ? 5000 mW per Side into 32 Ohms (1% THD) ? 550 mW per Side into 300 Ohms (1% THD) |
| Digital Chipset |
DAC:
1 x ESS ES9039SPRO*2 |
| Analog Circuitry |
Power Amplifier Op-Amp:
8x THX788+ |
| EQ |
Parametric EQ
|
| Display |
1x 1.3" Color
|
Connectivity
| Analog Audio I/O |
2x Stereo RCA TS Unbalanced Stereo Line Output (1 Stereo Pair)
2x XLR 3-Pin Balanced Output |
| Digital Audio I/O |
1x TOSLINK Optical S/PDIF Input
1x TOSLINK Optical S/PDIF Output 1x RCA Coaxial S/PDIF Input 1x RCA Coaxial S/PDIF Output |
| USB I/O |
2x USB-C
|
| Wireless |
Bluetooth 5.1
*Built-In |
| Bluetooth |
5.1
|
Performance
| Frequency Response |
Line, Headphone, Balanced Headphone Outputs:
20 Hz to 20 kHz /-0.1 20 Hz to 80 kHz /-3 |
| Maximum Output Level |
RCA Line Outputs:
2.5 Vrms XLR Balanced Headphone Outputs: 4.8 Vrms |
| Impedance |
1/4" Headphone Outputs:
32 Ohm (Unbalanced) 4.4 mm Headphone Outputs: 32 Ohm |
| THD+N |
RCA Line Outputs:
0.00032% 1/4" Headphone Outputs: 0.0003% 1/8" / 3.5 mm Balanced Headphone Outputs: 0.0002% |
| SNR |
RCA Line Outputs:
? 122 dB 1/4" Headphone Outputs: ? 127 dB 4.4 mm Balanced Headphone Outputs: ? 128 dB |
| Noise |
RCA Line Outputs:
< 1.6 µV (A-Weighted) 1/4" Headphone Outputs: < 3.5 µV (A-Weighted) Balanced Headphone Outputs: < 6 µV (A-Weighted) |
| Crosstalk |
RCA Analog/Line Outputs:
? 120 dB 1/4" Headphone Outputs: ? 110 dB Balanced Headphone Outputs: ? 120 dB |
Digital Audio
| Sample Rates |
Up to 768 kHz
|
| Bit Depths |
Up to 32-Bit
|
Compatibility
| OS Compatibility |
Computer: Windows / macOS
Mobile: Android/iOS |
| OS Compatibility |
Windows
macOS |
| Mobile App Compatible |
Yes: Android & iOS
|
| Mobile Device Compatibility |
Android Smartphone
Android Tablet iPhone iPad |
| Required Hardware |
USB 2.0 Port
|
Power
| Power Requirements |
AC/DC Power Adapter (Included)
|
| AC Input Power |
120 to 240 VAC, 50 / 60 Hz
|
| Ground Lift |
Yes
|
| AC/DC Power Adapter |
15 VDC at 2 A (Included)
|
Physical
| Dimensions |
9.8 x 8.9 x 1.44" / 25 x 22.5 x 3.67 cm
|
| Weight |
4.0 lb / 1800.0 g
|
Packaging Info
| Package Weight |
8.125 lb
|
| Box Dimensions (LxWxH) |
16.4 x 15.8 x 4.3"
|
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Bulk Discount
| Quantity | Price |
| 2 | ₹ 197332.8 |
| 3-5 | ₹ 195319.2 |
| 5-10 | ₹ 191292.0 |
| 10+ | ₹ 187264.8 |
Bulk discount will be automatically applied during checkout based on quantity.